#include <bits/stdc++.h>
using namespace std;

const int max_n = 100010;
int n;
vector<int> a;

int main(){
    cin >> n;
    for(int i = 0; i < n; i++){
        int tmp;
        cin >> tmp;
        a.push_back(tmp);
    }

    long long sum = accumulate(a.begin(), a.end(), 0LL);

    if(sum % n == 0) cout << "Yes" << endl;
    else cout << "No" << endl;

}